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42021302241 = 343388983761
BaseRepresentation
bin100111001000101010…
…100010111111100001
311000110112111022220110
4213020222202333201
51142024423132431
631145422201533
73015220114152
oct471052427741
9130415438813
1042021302241
1116903a25366
128188a232a9
133c68a779a9
142068c0d929
15115e1a6346
hex9c8aa2fe1

42021302241 has 16 divisors (see below), whose sum is σ = 57346815680. Its totient is φ = 27355345920.

The previous prime is 42021302237. The next prime is 42021302303. The reversal of 42021302241 is 14220312024.

42021302241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42021302241 - 22 = 42021302237 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42021302641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 459801 + ... + 543561.

It is an arithmetic number, because the mean of its divisors is an integer number (3584175980).

Almost surely, 242021302241 is an apocalyptic number.

It is an amenable number.

42021302241 is a deficient number, since it is larger than the sum of its proper divisors (15325513439).

42021302241 is a wasteful number, since it uses less digits than its factorization.

42021302241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87696.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 42021302241 its reverse (14220312024), we get a palindrome (56241614265).

The spelling of 42021302241 in words is "forty-two billion, twenty-one million, three hundred two thousand, two hundred forty-one".

Divisors: 1 3 43 129 3889 11667 83761 167227 251283 501681 3601723 10805169 325746529 977239587 14007100747 42021302241